diff --git a/product/option.go b/product/option.go
index c0a301c..0bc87b2 100644
--- a/product/option.go
+++ b/product/option.go
@@ -14,7 +14,7 @@ type Option struct {
 }
 
 func (c *Controller) LoadOption() {
-	c.db.FirstOrCreate(&c.Option, Option{Interval: time.Hour * 30, ExchangeRate: 7.3, Freight: 100})
+	c.db.FirstOrCreate(&c.Option, Option{Interval: time.Hour * 12, ExchangeRate: 7.3, Freight: 100})
 }
 
 func (c *Controller) SaveOption(opt Option) {